Home / 3,116.36-4,295.52-2,711.56

Finding the Fourth Proportional to 3,116.36, 4,295.52 and 2,711.56

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Solution

The fourth proportional to 3,116.36, 4,295.52 and 2,711.56 is: 3,737.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.36 : 4,295.52 = 2,711.56 : x
  2. Step 2: Convert to fraction form
    3,116.36/4,295.52 = 2,711.56/x
  3. Step 3: Cross multiply
    3,116.36x = 4,295.52 × 2,711.56
  4. Step 4: Simplify right side
    3,116.36x = 11,647,549.47
  5. Step 5: Solve for x
    x = 11,647,549.47/3,116.36
  6. Step 6: Final answer
    x = 3,737.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.